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Rock Springs Capital Management LP
> ARGX
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | ARGENX SE | ARGX | 350,000 | 0 | 136,405,500,000 | 6,002,500,000 | $389,730.00 |
| 03/31/2023 | ARGENX SE | ARGX | 350,000 | 0 | 130,403,000,000 | -2,187,500,000 | $372,580.00 |
| 12/31/2022 | ARGENX SE | ARGX | 350,000 | 0 | 132,590,500,000 | 132,466,932,000 | $378,830.00 |
| 09/30/2022 | ARGENX SE | ARGX | 350,000 | 0 | 123,568,000 | -9,040,000 | $353.05 |
| 06/30/2022 | ARGENX SE | ARGX | 350,000 | 0 | 132,608,000 | 22,249,000 | $378.88 |
| 03/31/2022 | ARGENX SE | ARGX | 350,000 | 35,000 | 110,359,000 | 49,000 | $315.31 |
| 12/31/2021 | ARGENX SE | ARGX | 315,000 | 0 | 110,310,000 | 15,180,000 | $350.19 |
| 09/30/2021 | ARGENX SE | ARGX | 315,000 | 0 | 95,130,000 | 293,000 | $302.00 |
| 06/30/2021 | ARGENX SE | ARGX | 315,000 | 15,000 | 94,837,000 | 12,220,000 | $301.07 |
| 03/31/2021 | ARGENX SE | ARGX | 300,000 | 12,500 | 82,617,000 | -1,934,000 | $275.39 |
| 12/31/2020 | ARGENX SE | ARGX | 287,500 | 0 | 84,551,000 | 9,076,000 | $294.09 |
| 09/30/2020 | ARGENX SE | ARGX | 287,500 | 0 | 75,475,000 | 10,721,000 | $262.52 |
| 06/30/2020 | ARGENX SE | ARGX | 287,500 | 40,000 | 64,754,000 | 32,151,000 | $225.23 |
| 03/31/2020 | ARGENX SE | ARGX | 247,500 | 0 | 32,603,000 | -7,126,000 | $131.73 |
| 12/31/2019 | ARGENX SE | ARGX | 247,500 | 65,800 | 39,729,000 | 19,022,000 | $160.52 |
| 09/30/2019 | ARGENX SE | ARGX | 181,700 | 0 | 20,707,000 | -5,018,000 | $113.96 |
| 06/30/2019 | ARGENX SE | ARGX | 181,700 | 0 | 25,725,000 | 3,042,000 | $141.58 |
| 03/31/2019 | ARGENX SE | ARGX | 181,700 | 3,700 | 22,683,000 | 5,583,000 | $124.84 |
| 12/31/2018 | ARGENX SE | ARGX | 178,000 | 13,000 | 17,100,000 | 4,586,000 | $96.07 |
| 09/30/2018 | ARGENX SE | ARGX | 165,000 | 36,250 | 12,514,000 | 1,846,000 | $75.84 |
| 06/30/2018 | ARGENX SE | ARGX | 128,750 | 128,750 | 10,668,000 | 10,668,000 | $82.86 |
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